UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TcAQCG6uZLZBAse/2dSuI8r2um1qWHyyWs0kJo+qGqE=' 
WHERE 
  key_id = '2b487e912eed2bb086328c2770bcf3dcb83fd7005a7d1cd43b29a2ba4fa15056' 
  AND (
    token = 'TcAQCG6uZLZBAse/2dSuI8r2um1qWHyyWs0kJo+qGqE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )